Add vendor hook to contorl blk plugging. Bug: 255471591 Bug: 238728493 Change-Id: I96b73cec14f0d2fea46a4828526e6ae5aa5c71b7 Signed-off-by: Minchan Kim <minchan@google.com> Signed-off-by: Richard Chang <richardycc@google.com> (cherry picked from commit a17e132ec4f290621666311e73f43202706d2743)